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001-es BibID:BIBFORM071074
Első szerző:Mihály Johanna (biológus, vegyész)
Cím:Transient receptor potential vanilloid-3 regulates inflammatory actions of human epidermal keratinocytes / Mihaly J., Vasas N., Angyal A., Payer E., Kistamas K., Nanasi P., Szollosi A., Biro T.
Megjegyzések:Several members of the vanilloid subfamily of transient receptor potential (TRPV) channels are expressed in the skin and play important roles in regulating cutaneous homeostasis. Our aim was to study the expression of TRPV3 ion channel and to investigate its role in normal human epidermal keratinocytes (NHEK).Carvacrol (CRV), a naturally occurring monoterpenoid TRPV3 agonist was administered on NHEKs. Cell viability and proliferation were determined by MTT- and CyQuant-assays, respectively. Gene expression and protein release were assessed by RT-qPCR, Western blot, indirect immuno labeling and ELISA, whereas functional activity of TRPV3 was investigated by whole-cell patch-clamp technique and Fluo-4 AM-based Ca2+-measurement. Selective gene silencing of TRPV3 was performed by RNAi.First, we confirmed that TRPV3 is indeed functionally active on NHEKs. Moreover, its activation by CRV decreased viability and proliferation of keratinocytes in a dose-dependent manner. Importantly, we could also show that expression of certain pro-inflammatory cytokines (interleukin [IL]-1?, IL-6, IL-8 and tumor necrosis factor-?) were upregulated upon CRV treatment in a TRPV3-dependent manner. Furthermore, we also found that silencing of TRPV3 expression was able to efficiently abrogate the aforementioned pro-inflammatory response as well as CRV-induced release of IL-6 and IL-8.Our results strongly argue for that TRPV3 plays a pivotal role in regulating inflammatory actions of epidermal keratinocytes. Antagonizing its activity could therefore be a promising novel therapeutic tool in the management of certain cutaneous inflammatory diseases e.g. in atopic dermatitis.
Tárgyszavak:Orvostudományok Elméleti orvostudományok idézhető absztrakt
pro-inflammatory model systems
Megjelenés:Journal of Investigative Dermatology 135 : Suppl. 2 (2015), p. S44. -
További szerzők:Molnárné Vasas Nikolett (1987-) (élettanász) Angyal Adrienn Páyer Edit (1982-) Kistamás Kornél (1986-) (biológus) Nánási Péter Pál (1956-) (élettanász) Szöllősi Attila Gábor (1982-) (élettanász) Bíró Tamás (1968-) (élettanász) (absztraktok)
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001-es BibID:BIBFORM071068
035-os BibID:(WOS)000423029700020 (Scopus)85041655428
Első szerző:Szöllősi Attila Gábor (élettanász)
Cím:Activation of Transient Receptor Potential Vanilloid 3 Regulates Inflammatory Actions of Human Epidermal Keratinocytes / Szöllősi A. G., Vasas N., Angyal Á., Kistamás K., Nánási P. P., Mihály J., Béke G., Herczeg-Lisztes E., Szegedi A., Kawada N., Yanagida T., Mori T., Kemény L., Bíró T.
Megjegyzések:Transient receptor potential (TRP) ion channels were first characterized on neurons, where they are classically implicated in sensory functions; however, research in recent decades has shown that many of these channels are also expressed on non-neuronal cell types. Emerging findings have highlighted the role of TRP channels in the skin, where they have been shown to be important in numerous cutaneous functions. Of particular interest is TRPV3, which was first described on keratinocytes. Its functional importance was supported when its gain-of-function mutation was linked to Olmsted syndrome, which is characterized by palmoplantar keratoderma, periorifacial hyperkeratosis, diffuse hypotrichosis and alopecia, as well as itch. In spite of these exciting results, we have no information about the role and functionality of TRPV3 on keratinocytes at the cellular level. In our current study, we have identified TRPV3 expression both on human skin and cultured epidermal keratinocytes. TRPV3 stimulation was found to function as a Ca2+-permeable ion channel which suppresses proliferation of epidermal keratinocytes and induces cell death. Stimulation of the channel also triggers a strong proinflammatory response via the NF-?B pathway. Collectively our data shows that TRPV3 is functionally expressed on human epidermal keratinocytes and that it plays a role in cutaneous inflammatory processes.
Tárgyszavak:Orvostudományok Elméleti orvostudományok idegen nyelvű folyóiratközlemény külföldi lapban
nuclear factor kappa-light-chain-enhancer of activated B cells
transient receptor potential vanilloid
Megjelenés:Journal of Investigative Dermatology. - 138 : 2 (2018), p. 365-374. -
További szerzők:Molnárné Vasas Nikolett (1987-) (élettanász) Angyal Ágnes (1987-) (molekuláris biológus) Kistamás Kornél (1986-) (biológus) Nánási Péter Pál (1956-) (élettanász) Mihály Johanna (1982-) (biológus, vegyész) Béke Gabriella (1987-) (molekuláris biológus) Lisztes Erika (1986-) (élettanász) Szegedi Andrea (1964-) (bőrgyógyász) Kawada, Naoki Yanagida, Takashi Mori, Tomohiro Kemény Lajos Bíró Tamás (1968-) (élettanász)
Pályázati támogatás:OTKA 105369
NKFIH K120552
NKFIH K120187
Internet cím:Szerző által megadott URL
Intézményi repozitóriumban (DEA) tárolt változat
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